Bing continues to scratch and claw higher, gaining 2 tenths to 11.7%. Bing is buying a lot of this share through toolbar and other traffic deals, so don't go nuts extrapolating.

Bottom line? One month does not a trend make, but...

Google's share gains have stalled

Bing continues to nibble away.

Yahoo (generally) continues to slide

Everyone else is irrelevant

Here's JP Morgan's Imran Khan with the details...

ComScore released March 2010 core search volume and market share data for the US. We note that this is only one data point and is not necessarily predictive of 1Q performance. Following are the data highlights.

According to the data, total US core search volume increased 7.6% Y/Y in March, below the 10.4% growth in February. The total growth in 1Q decelerated to 10.1% Y/Y from 4Q's 15.8% Y/Y growth.